It's almost impossible to secure yourself against a food raid from bears. That's because these giant mammals are clever tool users, and they share their tech knowledge with other bears nearby. As a result, bear-proofing technology rarely works for more than a couple of decades before every bear knows how to crack it. »1/28/15 4:58pm 1/28/15 4:58pm

Men, what would you be willing to give up to live a couple decades longer? Think carefully before you answer. Research has shown that men who are castrated may have significantly longer lifespans. Here's what we know. »1/08/15 4:15pm 1/08/15 4:15pm

What should you cut out of your diet to be more healthy? Everything. According to the most popular diet books on the market, there's barely a food on Earth that's safe to eat. But what is the actual benefit of these diets? Here's what science has to say. »11/07/14 3:09pm 11/07/14 3:09pm

Imagine someone running. Now freeze him in place. How is he positioned? Now stand up and reproduce with your body the pose you've pictured in your mind. It doesn't have to be perfect, just capture the essence. Are you doing it? Good. Now where are your arms and legs? Are they where they should be? »10/11/14 5:10pm 10/11/14 5:10pm

The simple act of pooping is one of the most universal experiences on the planet. Let's celebrate our similarities with 18 bits of fascinating, little-known facts about feces! »8/13/14 4:39pm 8/13/14 4:39pm

The same handful of college basketball teams always seem to do well in March Madness, and the deeper reasons behind that might actually tell us something profound about human evolution. [
io9 »3/02/11 8:03pm 3/02/11 8:03pm]